3v4l.org

run code in 300+ PHP versions simultaneously

@ 2013-09-13T09:12:49Z

<?php
 
function url_replace($url, $component, callable $callback)
{
    $map = [
        PHP_URL_SCHEME => 2,
        PHP_URL_HOST => 4,
        PHP_URL_PATH => 5,
        PHP_URL_QUERY => 7,
        PHP_URL_FRAGMENT => 9,
    ];
 
    if (!array_key_exists($component, $map)) {
        return $url;
    }
    $index = $map[$component];
 
    if (preg_match('~^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?~', $url, $matches, PREG_OFFSET_CAPTURE) && isset($matches[$index])) {
        $tmp = call_user_func($callback, $matches[$index][0]);
        return substr_replace($url, $tmp, $matches[$index][1], strlen($matches[$index][0]));
    }
    return $url;
}
 
$url = 'sip:foo@example.com';

echo url_replace($url, PHP_URL_PATH, function($path) {
    return 'bar@example.com';
});

Output for git.master, git.master_jit, rfc.property-hooks: sip:bar@example.com

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

preferences:dark modelive preview

48.34 ms | 401 KiB | 8 Q